Seagate ST19171WC User Manual
42
Barracuda 9 Installation Guide, Rev. B
WC/DC drives
Applicable jumper options
Option jumpers are available as illustrated below.
Figure 14. Jumper options
Enable parity check of SCSI bus
(default).
(default).
Disable parity check.
Parity Check option
Write protect = Off
(enables writing – default)
(enables writing – default)
Write protect = On
(disables writing)
(disables writing)
Write Protect option
The host system has complete
control over motor start functions. Do
not install a jumper on these pins.
control over motor start functions. Do
not install a jumper on these pins.
Delay Motor Start option
The host system has complete
control over motor start functions. Do
not install a jumper on these pins.
control over motor start functions. Do
not install a jumper on these pins.
Enable Motor Start option
R
E
S
E
S
D
S
S
M
E
W
P
P
D
D
R
E
S
E
S
R
E
S
E
S
R
E
S
E
S
SCSI I/O
Connector
DC Power
Connector
Connector
J2
Drive
Front
Front
J6
J1
J2 Jumper Type
(enlarged to
show detail)
show detail)
Pin 1
J2